Reviews of topical problems

The confinement

Russian Federation State Scientific Center A.I. Alikhanov Institute ofTheoretical and Experimental Physics, ul. Bolshaya Cheremushkinskaya 25, Moscow, 117259, Russian Federation

Various aspects and mechanisms of QCD colour confinement are surveyed. Following the introduction of gauge-invariant order parameters, a field-correlator definition of the phenomenon is given, and a class of correlators responsible for confinement is explicitly separated. It is shown that, in terms of effective Lagrangians, confinement is a dual Meissner effect, and for its quantitative description the popular Abelian projection method is used, which is explained in detail. To determine the field configurations responsible for confinement, classical solutions are analysed using a newly-developed criterion. Finally, all aspects of confinement are illustrated by a simple example of string formation for a quark moving in a field of heavy antiquark.

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Fulltext is also available at DOI: 10.1070/PU1996v039n04ABEH000140
PACS: 12.38.Aw
DOI: 10.1070/PU1996v039n04ABEH000140
Citation: Simonov Yu A "The confinement" Phys. Usp. 39 313–336 (1996)
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:    «» 166 337–362 (1996); DOI: 10.3367/UFNr.0166.199604a.0337

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